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Finding the Fourth Proportional to 21,906.48, 32,859.74 and 6,110.88

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Solution

The fourth proportional to 21,906.48, 32,859.74 and 6,110.88 is: 9,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906.48 : 32,859.74 = 6,110.88 : x
  2. Step 2: Convert to fraction form
    21,906.48/32,859.74 = 6,110.88/x
  3. Step 3: Cross multiply
    21,906.48x = 32,859.74 × 6,110.88
  4. Step 4: Simplify right side
    21,906.48x = 200,801,927.97
  5. Step 5: Solve for x
    x = 200,801,927.97/21,906.48
  6. Step 6: Final answer
    x = 9,166.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.